mot hinh thang co dien tich 275dm2, chieu cao 11dm. tinh đo dai cua moi day cau hinh thang do,biet day nho bang 2\3 day lon

Xe khách trung bình chạy từ TP. Cần Thơ đến TP. Hồ Chí Minh đường dài 160km trong thời gian định trước. Chạy được 1/4 quãng đường, khi vào cao tốc xe chạy đã tăng lên gấp 1,2 lần vận tốc ban đầu và đã đến nơi sớm hơn dự định 20 phút. Đố bạn tính được vận tốc lúc đầu của xe?

III. Read the following text and use the words given in the box to fill the blanks. There are 2 extra words you don’t need to use. Travelers; more; country; among; of; islands; foreigners The unique beauty of Ha Long bay with its karst makes it a natural to be added to UNESCO’s World heritage listing. But, it seems the opinions are divided (1)________________ travelers. There are (2) _________________ than1, 600 islets in the bay, their limestone worn down by 500 million years of tropical downpours, and topped by thick jungle growth. Some of the islands are hollow, creating majestic caves. Some of the larger (3) _____________ have their own lakes. At the centre (4) _____________ the bay there are 775 of the formations in an area of just 330 square kilometres - an invitation for (5) ______________ to board a traditional Vietnamese junk-boat and explore the bay, it’s island, caves, and floating villages. WRITING I. Finish each of the following sentences so that its meaning stays the same. 1. The last time we saw her was on Christmas day. -> We haven’t _____________________________________________________ 2. I haven’t eaten this kind of food before. -> This is _________________________________________________________ 3. It started raining an hour ago. -> It has __________________________________________________________ 4. We haven’t visited our grandfather for two months. -> The last time _________________________________________ 5. I have studied English for three years. -> I began ________________________________________________________ 6. My brother hasn’t been his best friend for nearly five years. -> It’s __________________________________________________________

28×67+28×31+28×2. a 56:x=102-95=

Nước tiểu đầu được thành lập như thế nào

Nguyên nhân thất bại của cuộc khởi nghĩa Hưng Khê

giúp e vs Em hãy tưởng tượng hai mươi năm sau e trở lại thăm trường mà hiện tại em đang học

II. Read the following text and decide which answer best fits each numbered blank. Hoi An is one of the (1) _______________ towns in Vietnam. It (2) _________________ on the lower section of the Thu Bon river. It is a very beautiful town with a lot of colour (3) ________________ which are hung (4) ______________ the town. Hoi An is famous for one (5) ___________ tailoring. Customers order clothes (6) _____________ the morning and get them in the (7) _____________. The price is not really (8) _________________. If you want to find the place of the (9) _________________time, Hoi An is a (10) ________________ choice. 1. A. newer B. newest C. oldest 2. A. are B. is C. are being 3. A. lanterns B. stars C. balloons 4. A. on B. around C. up 5. A. month B. week C. day 6. A. at B. in C. on 7. A. night B. afternoon C. evening 8. A. expensive B. cheap C. more expensive 9. A. modern B. old C. new 10. A. best B. worst C. good

Because of their good performance, they won that match => because Cảm ơn mn.

Phần bài 4 của phiếu bài tập giúp mik sửa đề là AM vuông góc BC tại M ạ. Mik bị đánh máy nhầm chỗ đấy ạ